@extends('layouts.app')

@section('title', 'Create Problem Category')

@section('content')
<div class="container-fluid">
    <div class="row">
        <div class="col-12">
            <div class="card">
                <div class="card-header">
                    <h3 class="card-title">
                        <i class="fas fa-plus"></i> Create New Problem Category
                    </h3>
                    <div class="card-tools">
                        <a href="{{ route('problem-categories.index') }}" class="btn btn-secondary">
                            <i class="fas fa-arrow-left"></i> Back to List
                        </a>
                    </div>
                </div>
                
                <div class="card-body">
                    <form action="{{ route('problem-categories.store') }}" method="POST">
                        @csrf
                        
                        <div class="row">
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="name">Category Name <span class="text-danger">*</span></label>
                                    <input type="text" class="form-control @error('name') is-invalid @enderror" 
                                           id="name" name="name" value="{{ old('name') }}" 
                                           placeholder="Enter category name" required>
                                    @error('name')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                            
                            <div class="col-md-6">
                                <div class="form-group">
                                    <label for="code">Category Code <span class="text-danger">*</span></label>
                                    <div class="input-group">
                                        <input type="text" class="form-control @error('code') is-invalid @enderror" 
                                               id="code" name="code" value="{{ old('code') }}" 
                                               placeholder="Auto-generated code" readonly>
                                        <div class="input-group-append">
                                            <button type="button" class="btn btn-outline-secondary" id="generateCodeBtn" title="Generate Code">
                                                <i class="fas fa-sync-alt"></i>
                                            </button>
                                        </div>
                                    </div>
                                    @error('code')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                    <small class="form-text text-muted">Code is auto-generated from category name. Click refresh to regenerate.</small>
                                </div>
                            </div>
                        </div>
                        
                        <div class="row">
                            <div class="col-md-12">
                                <div class="form-group">
                                    <label for="description">Description</label>
                                    <textarea class="form-control @error('description') is-invalid @enderror" 
                                              id="description" name="description" rows="3" 
                                              placeholder="Enter category description">{{ old('description') }}</textarea>
                                    @error('description')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>
                        
                        <div class="row">
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="color">Color <span class="text-danger">*</span></label>
                                    <div class="input-group">
                                        <input type="color" class="form-control @error('color') is-invalid @enderror" 
                                               id="color" name="color" value="{{ old('color', '#007bff') }}" required>
                                        <div class="input-group-append">
                                            <span class="input-group-text" id="colorPreview" 
                                                  style="background-color: {{ old('color', '#007bff') }}; color: white;">
                                                Preview
                                            </span>
                                        </div>
                                    </div>
                                    @error('color')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                            
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="sort_order">Sort Order</label>
                                    <div class="input-group">
                                        <input type="number" class="form-control @error('sort_order') is-invalid @enderror" 
                                               id="sort_order" name="sort_order" value="{{ old('sort_order', 0) }}" 
                                               min="0" placeholder="Auto-generated" readonly>
                                        <div class="input-group-append">
                                            <button type="button" class="btn btn-outline-secondary" id="generateSortBtn" title="Generate Sort Order">
                                                <i class="fas fa-sort-numeric-up"></i>
                                            </button>
                                        </div>
                                    </div>
                                    @error('sort_order')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                    <small class="form-text text-muted">Sort order is auto-generated. Click refresh to regenerate.</small>
                                </div>
                            </div>
                            
                            <div class="col-md-4">
                                <div class="form-group">
                                    <label for="is_active">Status</label>
                                    <select class="form-control @error('is_active') is-invalid @enderror" 
                                            id="is_active" name="is_active">
                                        <option value="1" {{ old('is_active', '1') == '1' ? 'selected' : '' }}>Active</option>
                                        <option value="0" {{ old('is_active') == '0' ? 'selected' : '' }}>Inactive</option>
                                    </select>
                                    @error('is_active')
                                        <div class="invalid-feedback">{{ $message }}</div>
                                    @enderror
                                </div>
                            </div>
                        </div>
                        
                        <div class="row">
                            <div class="col-12">
                                <div class="form-group">
                                    <button type="submit" class="btn btn-primary">
                                        <i class="fas fa-save"></i> Create Category
                                    </button>
                                    <a href="{{ route('problem-categories.index') }}" class="btn btn-secondary">
                                        <i class="fas fa-times"></i> Cancel
                                    </a>
                                </div>
                            </div>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </div>
</div>

<script>
document.addEventListener('DOMContentLoaded', function() {
    const colorInput = document.getElementById('color');
    const colorPreview = document.getElementById('colorPreview');
    const nameInput = document.getElementById('name');
    const codeInput = document.getElementById('code');
    const sortOrderInput = document.getElementById('sort_order');
    const generateCodeBtn = document.getElementById('generateCodeBtn');
    const generateSortBtn = document.getElementById('generateSortBtn');
    
    // Color preview functionality
    colorInput.addEventListener('input', function() {
        colorPreview.style.backgroundColor = this.value;
    });
    
    // Auto-generate code from name
    function generateCode() {
        const name = nameInput.value.trim();
        if (name) {
            // Remove special characters and spaces, take first 4 characters, convert to uppercase
            const code = name.replace(/[^a-zA-Z0-9]/g, '').substring(0, 4).toUpperCase();
            codeInput.value = code;
        }
    }
    
    // Auto-generate sort order (next available number)
    function generateSortOrder() {
        // This will be handled by the server, but we can set a default
        sortOrderInput.value = 0;
    }
    
    // Generate code when name changes
    nameInput.addEventListener('input', generateCode);
    
    // Generate code button click
    generateCodeBtn.addEventListener('click', generateCode);
    
    // Generate sort order button click
    generateSortBtn.addEventListener('click', function() {
        // Fetch next sort order from server
        fetch('/api/next-sort-order')
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    sortOrderInput.value = data.next_sort_order;
                }
            })
            .catch(error => {
                console.error('Error fetching sort order:', error);
                generateSortOrder();
            });
    });
    
    // Initial generation if name is already filled
    if (nameInput.value) {
        generateCode();
    }
});
</script>
@endsection